A rollable smartphone display that works? TECNO is on a roll this time! TECNO unveiled the latest product of its R&D labs today – the rollable smartphone concept: The Phantom Ultimate. It expands sideways, increasing the display from 6.55” to 7.11” in 1.2-1.3 seconds. The TECNO Phantom Ultimate has a 6.55-inch AMOLED display that can … Continue reading TECNO Phantom Ultimate, a rollable smartphone concept